NobiGo commented on a change in pull request #2598:
URL: https://github.com/apache/calcite/pull/2598#discussion_r743258201
##########
File path:
core/src/test/java/org/apache/calcite/sql/test/SqlOperatorBaseTest.java
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@@ -7202,6 +7218,41 @@ void assertSubFunReturns(boolean binary, String s, int
start,
"nvl(CAST(NULL AS VARCHAR(6)), cast(NULL AS VARCHAR(4)))");
}
+
+ private RelNode transformSqlToRel(String sql) throws Exception {
+ final SchemaPlus rootSchema = Frameworks.createRootSchema(true);
+ final SchemaPlus defSchema = rootSchema.add("hr", new HrClusteredSchema());
+ final FrameworkConfig config = Frameworks.newConfigBuilder()
+ .parserConfig(SqlParser.Config.DEFAULT)
+ .defaultSchema(defSchema)
+ .traitDefs(ConventionTraitDef.INSTANCE, RelCollationTraitDef.INSTANCE)
+ .operatorTable(SqlLibraryOperatorTableFactory.INSTANCE
+ .getOperatorTable(SqlLibrary.STANDARD, SqlLibrary.ORACLE))
+ .build();
+ Planner planner = Frameworks.getPlanner(config);
+ SqlNode parse = planner.parse(sql);
+ SqlNode validate = planner.validate(parse);
+ RelRoot planRoot = planner.rel(validate);
+ return planRoot.rel;
+
+ }
+
+ @Test public void testNvlOperands() throws Exception {
Review comment:
The testNvlFunc has existed in SqlOperatorTest, If it doesn't have
enough tests for you, please perfect it.
If this can't suit your need. You can add a SQL type test in .iq file.
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